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Recycled aluminum smelting recovery system and recovery process adopting same

A recycling system and technology of recycled aluminum, applied in the direction of improving process efficiency, can solve the problems of high energy consumption, failure to meet environmental protection requirements, etc., achieve recycling, suppress dioxins and NOX, achieve energy saving and The effect of environmental protection requirements

Inactive Publication Date: 2019-04-12
苏州中阳热能科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this independent secondary incineration process consumes a lot of energy costs. Therefore, it is not widely used in actual recycled waste aluminum recycling plants, and the generation of "dioxin" and NOX in the waste aluminum recycling process is also Cannot meet environmental protection requirements

Method used

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  • Recycled aluminum smelting recovery system and recovery process adopting same

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Embodiment Construction

[0021] It should be noted that when an element is referred to as being “fixed” to another element, it can be directly on the other element or there can also be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of the invention. The terms used herein in the description of the present invention are for the purpose of describing specific embodiments only, and are not intended to limit the present invention. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0023] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions ...

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Abstract

The invention provides a recycled aluminum smelting recovery system and a recovery process adopting the same. The recycled aluminum smelting recovery system comprises a smelting furnace for recoveringand smelting waste aluminum, a rotary cylinder for pre-treatment of waste materials and flue gas pipelines which connect the smelting furnace and the rotary cylinder into one. The recovery process comprises the steps of preheating treatment of the waste materials, smelting furnace recovery treatment and circulating treatment of circulating high temperature flue gas in the smelting furnace betweenthe rotary cylinder and the smelting furnace. The smelting furnace for recovering and smelting waste aluminum and the rotary cylinder for pre-treatment of the waste materials are connected into one,a combined operation mode is adopted, heat of the high temperature flue gas in the smelting furnace is directly utilized to treat the waste materials, decomposition of oil contamination, coatings andplastics is realized, no additional burner device is required to be added, no additional fuel consumption generates, and waste heat of waste material combustion are recycled; and production of 'dioxins' and NOX is inhibited in the recovery process of the waste aluminum, and energy conservation and environmental protection requirements in the recovery process of the waste aluminum are realized.

Description

technical field [0001] The invention relates to the technical field of secondary aluminum recovery, in particular to an environmentally friendly and energy-saving secondary aluminum smelting recovery system and a recovery process thereof. Background technique [0002] All kinds of aluminum materials and aluminum products enter the recycling process after use, and they all contain a certain amount of various foreign objects, including other types of metals, stones, wood, glass, etc., and carry a lot of oil, plastic, dust, coatings, etc. , All kinds of solid foreign matter can be removed by using relevant processes and equipment, but oil stains, dust, coatings and plastics bonded to aluminum can only be removed through secondary incineration. However, this independent secondary incineration process consumes a lot of energy costs. Therefore, it is not widely used in actual recycled waste aluminum recycling plants, and the generation of "dioxin" and NOX in the waste aluminum rec...

Claims

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Application Information

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IPC IPC(8): C22B7/00C22B21/00
CPCC22B7/003C22B21/0069Y02P10/20
Inventor 余志华
Owner 苏州中阳热能科技有限公司
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